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conditions.
WINDOWS - CONTROL CABIN FIXED WINDOWS - NO. 4 and 5 WINDOWS
EFFECTIVITY
GUN 001-012, 101-108, 201-999 PRE SB 737-56-1017 56-11-00
Page 8
D633A101-GUN Jun 10/2006
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
56-11-00-010
WINDOWS - CONTROL CABIN FIXED WINDOWS - NO. 4 and 5 WINDOWS
WINDOWS - CONTROL CABIN FIXED WINDOWS - NO. 4 and 5 WINDOWS
EFFECTIVITY
GUN 001-012, 101-108, 201-999 PRE SB 737-56-1017 56-11-00
Page 9
D633A101-GUN Jun 10/2006
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
56-11-00-010
Purpose
The No. 2 window is on tracks so that it may be rolled back to
permit ventilation and communication during ground handling
operations.
You can operate the right window from outside of the airplane
as an emergency exit.
Physical Description
The No. 2 openable window has these parts:
* Handle with trigger
* Bellcranks
* Pushrods
* Clothes guard protector
* Link
* Springs
* Window open latch plate
* Upper roller
* Upper track
* Lower roller
* Lower track
* Latch mechanism rod
* External access door
* External release handle.
Window No. 2 has laminated glass on each side of a polyvinyl
butyral (vinyl) core. The window is resistant to bird impact with
or without window heat.
The inner glass pane is thicker than the outer pane. It is the
primary structure. It holds the internal airplane pressure load.
The vinyl layer is the secondary structure. It is also a fail-safe
device that prevents the shatter of the window if the inner pane
breaks.
The outer pane is not structural. The outer pane gives a rigid,
hard, scratch-resistant surface.
A conductive strip on the inner face of the outer glass pane
permits electrical heating for window anti-icing and defogging.
Functional Description
To open the window, operate the handle. This turns a bellcrank,
which is connected to other bellcranks at the rear, top, and
bottom of the window. This moves the window inboard. The
forward roller prevents backward movement of the window until
there is sufficient clearance. This lets free movement back to
the latched open position. When the window is moved to the
rear, the lower aft roller moves to the window open latch plate.
The window open latch plate is spring-loaded to lock the
window in the open position.
WINDOWS - CONTROL CABIN SLIDING WINDOWS - NO. 2 OPENABLE WINDOW
EFFECTIVITY
GUN ALL 56-12-00
Page 1
D633A101-GUN Oct 10/2002
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
56-12-00-001
The window is unlocked from its locked open position when you
pull forward on the latch mechanism rod. This releases the
window open latch plate and lets the window move forward.
While the window moves forward, it resets the window open
latch plate. Move the window forward by its handle until it
touches the forward stops. As the handle is turned, the window
is moved outboard, guided by a guide pin in the track, until the
window is closed against the window frame. When you release
the handle, a trigger bolt latches the window closed.
Normal Operation
To open the window, hold the trigger and turn the handle back
and inboard. After the window moves inboard, move it back
until it locks it in the open position.
To close the window, pull forward on the latch mechanism rod
to unlock the window. Hold the trigger and move the window
forward until you can turn the handle forward and outboard.
When you release the trigger, the window latches.
Emergency Operation
To open the window, push the external access door, and pull
the external release handle. This will position the window
inwards. Then move the window to the rear.
Training Information Point
WARNING: BE CAREFUL WHEN YOU DO WORK ON THE
WINDOW NO. 2. THE OUTPUT VOLTAGE OF THE
AUTOTRANSFORMER IS 250-350 VOLTS. THIS
CAN CAUSE INJURY TO PERSONS.
WINDOWS - CONTROL CABIN SLIDING WINDOWS - NO. 2 OPENABLE WINDOW
EFFECTIVITY
GUN ALL 56-12-00
Page 2
D633A101-GUN Oct 10/2002
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
56-12-00-001
WINDOWS - CONTROL CABIN SLIDING WINDOWS - NO. 2 OPENABLE WINDOW
WINDOWS - CONTROL CABIN SLIDING WINDOWS - NO. 2 OPENABLE WINDOW
EFFECTIVITY
　
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